InChI=1/C15H16BrN3O4/c16-10-6-12-11(17-13(20)14(21)18-12)5-9(10)7-19-3-1-8(2-4-19)15(22)23/h5-6,8H,1-4,7H2,(H,17,20)(H,18,21)(H,22,23)/p-1/fC15H15BrN3O4/h17-18H/q-1 F85A9B2E515331C9